Fundam. Inform.

Keyphrases

Publications

volume 13, number 4, 1990

Teodor C. Przymusinski
The Well-Founded Semantics Coincides with the Three-Valued Stable Semantics. Fundam. Inform. 13 (4) (1990)

volume 7, number 1, 1984

Joachim Biskup
Extending the Relational Algebra for Relations with Maybe Tuples and Existential and Universal Null Values. Fundam. Inform. 7 (1) (1984)